body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}

.container {
  width: 1600px;
  margin: 25px auto;
}

.wrapper {
  display: flex;
  /* justify-content: space-around; */
  align-items: center;

  width: 1600px;
  /* height: 400px; */
  margin: 10px 0;
  /* border: 1px solid black; */
}

.wrapper_span {
  display: block;
  padding: 15px 5px;
  font-size: 25px;
  writing-mode: vertical-lr;
  border: 1px solid rgb(32,116,98);
}
.pcmGraph_wrapper{
  display: flex;
  /* justify-content: space-around; */
  align-items: center;

  width: 800px;
  height: 200px;
  margin: 10px 0;
}

/* .pcmGraph_wrapper span {
  display: block;
  padding: 15px 5px;
  font-size: 25px;
  writing-mode: vertical-lr;
  border: 1px solid rgb(32,116,98);
} */

#pcmGraph {
  width: 730px;
  background-color: #bfa;
}

#fftGraph,
#stftGraph {
  width: 730px;
  height: 512px;
  background-color: #bfa;
}